The Walking Dead
2010 - 2022 • Writer
Terminator: Dark Fate
2019 • Story
Hemlock Grove
2013 - 2015 • Writer
The Shield
2002 - 2008 • Writer
The Byrds of Paradise
1994 - 1994 • Writer
L.A. Law
1986 - 1994 • Writer
Civil Wars
1991 - 1993 • Writer
Moonlighting
1985 - 1989 • Writer
St. Elsewhere
1982 - 1988 • Writer
Deadly Eyes
1982 • Screenplay
Piranha II: The Spawning
Dexter
2006 - 2013 • Executive Producer
Dark Angel
2000 - 2002 • Executive Producer
Murder One
1995 - 1997 • Executive Producer